Domain · Tranco #26,890
postfix.org
postfix.org is ranked #26,890 among the world's most-visited sites (Tranco). It resolves to no IPv4 address, and presents a TLS certificate issued by Let's Encrypt.
HTTP 301| Tranco rank | #26,890 |
|---|---|
| IPv6 | 2a01:4f9:c010:8fb::bee |
| Hosting / reverse DNS | nginx |
| Mail servers (MX) | list.sys4.de (10) |
| HTTP status | 301 → https://www.postfix.org/ |
| Web server | nginx |
| Detected tech | nginx |
| TLS certificate | Let's Encrypt · expires 2026-09-14 |
Linked company
This domain's name matches a legal entity in our directory:
Notable DNS TXT records
v=spf1 include:_spf.list.sys4.de ~all
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FAQ
Who issued the SSL certificate for postfix.org?
The TLS/SSL certificate for postfix.org was issued by Let's Encrypt, valid until 2026-09-14.
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Start free on Mewayz →DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains